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Ubuntu 16.04: USN-7868-1 Raptor Important Denial of Service Issues

Several security issues were fixed in Raptor.. ========================================================================== Ubuntu Security Notice USN-7868-1 November 10, 2025 raptor vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 16.04 LTS Summary: Several security issues were fixed in Raptor. Software Description: - raptor: RDF syntax library Details: Hanno Böck discovered that Raptor incorrectly handled memory operations when processing certain input files. An attacker could use this issue to cause Raptor to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2017-18926) Hanno Böck discovered that Raptor incorrectly handled memory operations when processing certain input files. An attacker could possibly use this issue to cause Raptor to crash, resulting in a denial of service. (CVE-2020-25713) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 16.04 LTS libraptor1 1.4.21-11ubuntu0.1~esm1 Available with Ubuntu Pro raptor-utils 1.4.21-11ubuntu0.1~esm1 Available with Ubuntu Pro In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-7868-1 CVE-2017-18926, CVE-2020-25713 . Several security issues affecting Raptor fixed in Ubuntu 16.04 LTS, leading to potential crash or DoS risk.. Raptor Security, Ubuntu 16.04, Memory Operations, DoS Risk, Software Update. . LinuxSecurity.com Team

Nov 11, 2025 Ubuntu